1 files changed, 13 insertions, 12 deletions

diff --git a/guides/source/active_record_basics.md b/guides/source/active_record_basics.md
index a227b54040..fba89f9d13 100644
--- a/guides/source/active_record_basics.md
+++ b/guides/source/active_record_basics.md
@@ -132,17 +132,17 @@ Creating Active Record Models
 -----------------------------
 
 It is very easy to create Active Record models. All you have to do is to
-subclass the `ActiveRecord::Base` class and you're good to go:
+subclass the `ApplicationRecord` class and you're good to go:
 
 ```ruby
-class Product < ActiveRecord::Base
+class Product < ApplicationRecord
 end
 ```
 
 This will create a `Product` model, mapped to a `products` table at the
 database. By doing this you'll also have the ability to map the columns of each
 row in that table with the attributes of the instances of your model. Suppose
-that the `products` table was created using an SQL sentence like:
+that the `products` table was created using an SQL statement like:
 
 ```sql
 CREATE TABLE products (
@@ -168,11 +168,12 @@ What if you need to follow a different naming convention or need to use your
 Rails application with a legacy database? No problem, you can easily override
 the default conventions.
 
-You can use the `ActiveRecord::Base.table_name=` method to specify the table
-name that should be used:
+`ApplicationRecord` inherits from `ActiveRecord::Base`, which defines a
+number of helpful methods. You can use the `ActiveRecord::Base.table_name=`
+method to specify the table name that should be used:
 
 ```ruby
-class Product < ActiveRecord::Base
+class Product < ApplicationRecord
   self.table_name = "my_products"
 end
 ```
@@ -193,7 +194,7 @@ It's also possible to override the column that should be used as the table's
 primary key using the `ActiveRecord::Base.primary_key=` method:
 
 ```ruby
-class Product < ActiveRecord::Base
+class Product < ApplicationRecord
   self.primary_key = "product_id"
 end
 ```
@@ -260,7 +261,7 @@ david = User.find_by(name: 'David')
 
 ```ruby
 # find all users named David who are Code Artists and sort by created_at in reverse chronological order
-users = User.where(name: 'David', occupation: 'Code Artist').order('created_at DESC')
+users = User.where(name: 'David', occupation: 'Code Artist').order(created_at: :desc)
 ```
 
 You can learn more about querying an Active Record model in the [Active Record
@@ -320,7 +321,7 @@ they raise the exception `ActiveRecord::RecordInvalid` if validation fails.
 A quick example to illustrate:
 
 ```ruby
-class User < ActiveRecord::Base
+class User < ApplicationRecord
   validates :name, presence: true
 end
 
@@ -350,7 +351,7 @@ database that Active Record supports using `rake`. Here's a migration that
 creates a table:
 
 ```ruby
-class CreatePublications < ActiveRecord::Migration
+class CreatePublications < ActiveRecord::Migration[5.0]
   def change
     create_table :publications do |t|
       t.string :title
@@ -368,8 +369,8 @@ end
 ```
 
 Rails keeps track of which files have been committed to the database and
-provides rollback features. To actually create the table, you'd run `rake db:migrate`
-and to roll it back, `rake db:rollback`.
+provides rollback features. To actually create the table, you'd run `rails db:migrate`
+and to roll it back, `rails db:rollback`.
 
 Note that the above code is database-agnostic: it will run in MySQL,
 PostgreSQL, Oracle and others. You can learn more about migrations in the